Find the inverse of.
Inverse of A=
this matrix does not have an inverse
Find the inverse of by adjoining the identity matrix:
Use row operations to obtain:
Switch E3 withE1
E3=E3-3E1
E3=E3/8
E2=E2/2
E2=E2+1/2E3
E1=E1+3E3
=
Check:
AA-1=
..
by adjoining
the identity matrix:
:
=
